Barrett, Wayne, Bowcutt, Ryan, Cutler, Mark, Gibelyou, Seth, Owens, Kayla (2009)

ELA. The Electronic Journal of Linear Algebra [electronic only]

Berman, Avi, Friedland, Shmuel, Hogben, Leslie, Rothblum, Uriel G., Shader, Bryan (2008)

The Electronic Journal of Combinatorics [electronic only]

Barioli, Francesco, Fallat, Shaun M., Mitchell, Lon H., Narayan, Sivaram K. (2011)

ELA. The Electronic Journal of Linear Algebra [electronic only]

M. C. Marino, I. Sciriha, S. K. Simić, D. V. Tošić (2006)

Publications de l'Institut Mathématique

Cioabă, Sebastian M., Tait, Michael (2011)

The Electronic Journal of Combinatorics [electronic only]

Wu, Chai Wah (2009)

The Electronic Journal of Combinatorics [electronic only]

W.G. Bridges, R.A. Mena (1981)

Aequationes mathematicae

Roland Bacher, Yves Colin de Verdière (1995)

Bulletin de la Société Mathématique de France

Dragoš Cvetković, Tatjana Davidović (2009)

Zbornik Radova

Dragoš Cvetković, Tatjana Davidović (2011)

Zbornik Radova